$34 for Garage Door Tune-Up and Safety Inspection from Lake Woodlands Garage Door ($89 Value)

Lake Woodlands Garage Door

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Customer Reviews


39 Ratings

100% Verified Reviews
All reviews are from people who have redeemed deals with this merchant.

VW

Vikki W. · 1 reviews
· Reviewed October 9, 2017
The tach was on time, checked out my door, put new rollers on it and it is now soooooo quiet! Great job!

EW

Ella W. ·
· Reviewed June 22, 2017
Brim was great. Did a good job and gave me some good maintenance tips regarding my garage doors. I recommend them 100%.

EF

Elaine F. ·
· Reviewed April 19, 2017
He was right on time and very professional. Got the garage door working great!

What You'll Get


The Deal

  • $34 for a garage door tune-up and safety inspection ($89 value)

Tune-up and inspection includes:

  • Door inspection
  • Tightening of all bolts and screws
  • Lubrication of all hinges, rollers, and springs
  • Re-balancing of door
  • Adjust and lubricate garage door opener
  • Check of down-force pressure of garage door opener
  • Alignment of electronic eyes if necessary

Garage-Door Openers: Signaling Security

Learn a little about the technology inside the little remote in your car with Groupon’s examination of garage-door openers.

In 2012, garage doors throughout southeastern Connecticut mysteriously seized up. The culprit? A military submarine base.

Annoying as it may have been, there was nothing sinister behind this pattern. Rather, it was simply a side effect of the way all remote-entry garage-door systems are designed. Each time you open or close a garage door, the remote and the receiver inside have a brief conversation in code—a conversation that happens to be conducted via radio signals over the airwaves. The unfortunate homeowners in Connecticut eventually learned that the signal emitted from the submarine base’s radio-communication system shared a frequency with their garage-door systems, and the more powerful military signal drowned out the information their remotes were trying to transmit.

The codes transmitted by garage-door remotes have gotten far more complex over time. As early as the 1960s, burglars learned to use radio scanners or “code grabbers” to pick up the code when the homeowner used it to open the door; they could then re-transmit the code to gain entry themselves. In response, most remotes today use rolling codes that can generate billions of combinations.

This is possible because each time a message is sent between remote and receiver, each part of the system also selects and stores a new code. Those codes will always be in sync because each has been programmed with the same pseudo-random number generator—that is, a formula that produces a sequence of numbers that would appear random to anyone not possessing the formula. (Beware, however: it is possible to desynchronize the system by pressing the remote button out of range of the opener more times than the system’s built-in tolerance for error will permit.) Once this is done, the remote and receiver are ready to kick the system’s motor into gear and help you begin or end another day on the road.

The Fine Print


Promotional value expires 180 days after purchase. Amount paid never expires. Limit 1 per person, may buy 1 additional as gift. Appointment required. 24hr cancellation notice required. Valid only within 15 miles of zip code 77380. Additional parts not included. Subject to availability. May be repurchased every 30 days. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

About Lake Woodlands Garage Door


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